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• How do I access a DIV from javascript, if ASP.NET mangles its ID?

  - by Rising Star

  I have a web page that contains a "div" element. On the page, there is javascript to reference the div: document.getElementById('divId'). This was working fine until another developer redesigned the page to use an ASP master page. Now, document.getElementById('divId') returns null. It appears that ASP.net prepends some characters to the names of elements within contents forms when you use a master page. How can I know what the id of the div is when the page loads? Update Allow me to give a specific example to clarify the question: My page had a div with ID divNotice. After changing my page to use a master page, I see when I print the source to the page that renders that the div ID is ctl00_ContentPlaceHolder1_divNotice. My question is, how am I supposed to know what the div ID is going to be when the framework is done with it?

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• Secure way to backup MySQL databases?

  - by user203538

  What is the best/secure way to backup a mysql database on windows server (2008)? I have "MySQL Administrator" but that requires that you save passwords for backup project. I'm not keen on doing as anyone gaining access to the server would then have easy access to the database. Can you do anything similar to SQL Server like using Windows authentication. If not what is the most secure (and practical) way of backups. Lastly, what are the privileges needed to backup a database? I have created a single user just for this task. Please advise.

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• Can I change the datsource of report model at runtime

  - by Manab De

  I've some adhoc reports developed on some report models which are published on Report Server (we're using SSRS 2008). Everything is running well. Now in our production environment we've near about forty (40) customers who have their own database (each have the same table structures and other database objects). Now the challenge is whenever a customer will log into the report server using windows authentication and trying to view those reports we need to get the SQL data from the proper database only. Reports are designed using the report model and each model has a valid data source which is connected to particular database. We can create forty separate data sources each will be connected to specific database. My question is, is there any way through which we can change the report model data source name dynamically or during runtime based on the customer name so that during execution of the report, SSRS would fetch the data from the correct database but not from any other database. Please help me.

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• resource embedding in asp.net

  - by Mike

  I have a project which needs to generate PDF documents. I am using iTextSharp. I have a pdf which needs to be read and then appended to. To read the pdf document, I'm using PdfReader(), which accepts many forms, but I can't figure out how to reference a pdf in my webapplication to PdfReader. My host does not allow Binary Serialization (apparently that's bad), so I don't think I can load from an embedded resource. I've tried just using PdfReader("report.pdf"), but it keeps throwing an exception telling me that the file isn't found. I've tried putting the file in the bin directory, root directory, in the same directory as the class, but this still doesn't work. It works if I use a fully qualified path to the pdf document, but I can't use that when I upload it to my hosting provider. Does anyone have any suggestions on how I should do this? Thanks

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• What is the best way to embed controls in a list/grid

  - by Brad

  I have a table of about 450 rows that I would like to display in a graphical list for users to view or modify the line items. The users would be selection options from comboboxes and selecting check boxes etc. I have found a listview class that extends the basic listview to allow for embeding objects but it seems kind of slugish when I load all the rows into it. I have used a datagridview in the past for comboboxes and checkboxes, but there was a lot of time invested in getting that up and running...not a big fav of mine. I am looking for sugestions how I can do this with minimal overhead. thanks c#, vs2008, .net 2.0, system.windows.forms

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• Why did the C# designers attach three different meanings to the 'using' keyword?

  - by gWiz

  The using keyword has three disparate meanings: type/namespace aliasing namespace import syntactic sugar for ensuring Dispose is called The documentation calls the first two definitions directives (which I'm guessing means they are preprocessing in nature), while the last is a statement. Regardless of the fact that they are distinguished by their syntaxes, why would the language developers complicate the semantics of the keyword by attaching three different meanings to it? For example, (disclaimer: off the top of my head, there may certainly be better examples) why not add keywords like alias and import? Technical, theoretical, or historical reasons? Keyword quota? ;-) Contrived sample: import System.Timers; alias LiteTimer=System.Threading.Timer; alias WinForms=System.Windows.Forms; public class Sample { public void Action { var elapsed = false; using(var t = new LiteTimer.Timer(_ => elapsed = true) { while (!elapsed) CallSomeFinickyApi(); } } } "Using" is such a vague word.

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• Setting baseurl in cakephp

  - by Aruna

  Hi, I am working on an appliication which is running in cakephp and i am using ajax query inbetween. In all the cases for all the ajax post i have used the url as var ht = $.ajax({ type: "GET", url: "http://172.20.52.99/FormBuilder/index.php/forms/viewChoices/"+attribute_id, async: false }).responseText; var myObject = eval('(' + ht + ')'); is there any way in cakephp where i can give my base url as http://172.20.52.99/FormBuilder/index.php/ and to call the baseurl in all the places i want. Please give some suggestions . Thank you..

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• Reading TCP Sequence Number Before Sending a Packet

  - by Sadeq Dousti

  I'm writing a C/C++ client-server program under Linux. Assume a message m is to be sent from the client to the server. Is it possible for the client to read the TCP sequence number of the packet which will carry m, before sending m? In fact, I'd like to append this sequence number to m, and send the resulting packet. (Well, things are more complicated, but let's keep it that simple. In fact, I'd like to apply authentication info to this sequence number, and then append it to m.) Moreover, is it possible for the server to read the TCP sequence number of the packet carrying m?

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• How to save/export a DOM element to an image?

  - by Don Don

  Hi, I have a web page which has a form element (with its ID known) and inside the form there are multiple DIVs, and the position of each div may be changed. What I'd like to do is: a) Save the current state of this form // var currentForm=document.forms['myFrm'].innerHTML; would probably suffice... b) Save or export the entire form with the most current position of each DIV to an image file. // how to save/export the javascript var of currentForm to an image file is the key question. Any help/pointer would be appreciated.

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• cannot render json without login. What should i do?

  - by logesh

  I am new to rails and i am trying few examples. I have login page using devise authentication and i have one more page where user can store their details, view, edit and delete the details. It is displayed in html format, once login is done. I want to produce json for iPhone so if i call as localhost:3000/posts/1.json it does not show json but after login i can see the json. so how shoud i do this? Pls help me.

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• .Net Template Engine/Report Solution

  - by runxc1 Bret Ferrier

  I am looking to add custom reports/forms to a web application. I want users to be able to upload a report definition/template file and then be able to print out a PDF or word document (one or the other it doesn't need to be both) for each of their widgets based off of the template they uploaded. I can't install anything on the server and am looking for an open source/free solution. Data Source- The data will be in the form of a datatable or dataset that the application fetches itself. The report tool does will not be able to connect to any database.

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• Is it possible to autocomplete fields in Sharepoint with user info?

  - by Antoine

  Hi, I'm in charge of a Sharepoint collection, and a user asks this. Is it possible that when a user creates an item, some fields are automatically filled with some info, such as email address and location? Authentication uses Active Directory, so every user is identified when using Sharepoint. The only issue is that, being in a big corporate company, I don't have any access to the server, so it must be feasible through configuration of said site/list or using Sharepoint Designer, but I can't and won't be allowed to deploy anything server side. Any idea?

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• Determine when and which character is added or deleted in a Text Box.

  - by Alon

  I have a simple text box in a WPF application. I need to know when a character was added/deleted in the text box, which character and where it was added or deleted. I thought to use the TextBox.KeyDown event, but it has some problems: I can't know where the character was added or deleted. I have no idea how to determite which character was added (from the KeyEventArgs). Any ideas? I don't care to use a completely different solution from what I thought. In addition, I've just started this project so I don't care to use Windows Forms instead of WPF if your solution requires it. Thank you.

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• ASP.NET MVC and Paging - Search & Result Scenario

  - by devforall

  I have forms in my page a get and a post and i want add pager on my get form .. so i cant page through the results.. The problem that i am having is when i move to the second page it does not display anything.. I am using this library for paging .. http://stephenwalther.com/Blog/archive/2008/09/18/asp-net-mvc-tip-44-create-a-pager-html-helper.aspx this my actions code. [AcceptVerbs("GET")] public ActionResult SearchByAttraction() { return View(); } [AcceptVerbs("POST")] public ActionResult SearchByAttraction(int? id, FormCollection form) {.... } and this is what i am using on my get form to page through <%= Html.Pager(ViewData.Model)% //but when i do this it goes to this method [AcceptVerbs("GET")] public ActionResult SearchByAttraction() instead of going to this this [AcceptVerbs("POST")] public ActionResult SearchByAttraction(int? id, FormCollection form) which sort of makes sence .. but i cant really think of any other way of doing this Any help would be very appreciated.. Thanx

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• Retrieve web user's Identity outside of request scope

  - by Kendrick

  I have an ASP.NET app that logs Audit reports using nHibernate's IPreUpdateListener. In order to set the current user in the Listener events, I was using System.Security.Principal.WindowsIdentity.GetCurrent(). This works fine when debugging on my machine, but when I move it to the staging server, I'm getting the ASP.NET process credentials, not the requesting user. In the ASP.NET page, I can use Request.LogonUserIdentity (which works fine since I'm using integrated authentication), but how do I reference this user directly without having to pass it directly to my event? I don't want to have to pass this info through the pipeline because it really doesn't belong in the intermediate events/calls.

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• Problem loading RTF file into windows richTextBox

  - by Ted

  I am trying to load files into a windows (vs 2010) richTextBox but only the first line of the file is loading. I'm using: // Create an OpenFileDialog to request a file to open. OpenFileDialog openFile1 = new OpenFileDialog(); // Initialize the OpenFileDialog to look for RTF files. openFile1.DefaultExt = "*.rtf"; openFile1.Filter = "RTF Files|*.rtf"; // Determine whether the user selected a file from the OpenFileDialog. if (openFile1.ShowDialog() == System.Windows.Forms.DialogResult.OK && openFile1.FileName.Length > 0) { // Load the contents of the file into the RichTextBox. rtbTest.LoadFile(openFile1.FileName); } The test file I'm using is .cs file saved as an rtf file. Any help appreciated please.

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• How do you optimize database performance when providing results for autocomplete/iterative search?

  - by Howiecamp

  Note: In this question I'm using the term "autocomplete" (or "iterative search") to refer to returning search-as-you-type results, e.g. like Google Search gives you. Also my question is not specific to web applications vs. fat client apps. How are SQL SELECT queries normally constructed to provide decent performance for this type of query, especially over arbitrarily large data sets? In the case where the search will only query based on the first n characters (easiest case) am I still issuing a new SELECT result FROM sometable WHERE entry LIKE... on each keypress. Even with various forms of caching this seems like it might result in poor performance. In cases where you want your search string to return results with prefix matches, substring matches, etc. it's an even more difficult problem. Looking at a case of searching a list of contacts, you might return results that match FirstName + LastName, LastName + FirstName, or any other substring.

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• How to create unique user key

  - by Grayson Mitchell

  Scenario: I have a fairly generic table (Data), that has an identity column. The data in this table is grouped (lets say by city). The users need an identifier in order for printing on paper forms, etc. The users can only access their cites data, so if they use the identity column for this purpose they will see odd numbers (e.g. a 'New York' user might see 1,37,2028... as the listed keys. Idealy they would see 1,2,3... (or something similar) The problem of course is concurrency, this being a web application you can't just have something like: UserId = Select Count(*)+1 from Data Where City='New York' Has anyone come up with any cunning ways around this problem?

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• How to Synchronize Session / Security between ASP.NET and Tomcat?

  - by Jay Stevens

  I have an Asp.NET 3.5 application with security/authentication. I have a second application (built using GWT and running on Windows Tomcat) running on a different machine. I need to make the second application available to the user via a link generated from the .NET application. This part is easy, I have constructed the link in the asp.net page and the user can click on it to start working in the GWT/Tomcat session. My question is this... How do I set it up so that the Tomcat/GWT application is Only Accessible via the link in my asp.NET application? I don't want the user to be able to copy the link from my asp.net page and then share that with someone else who is not authenticated within my asp.net application.

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• Creating a blocked user intercepter in Grails

  - by UltraVi01

  I am working on a social site where users can block other users. Throughout the site --dozens of places, user information is displayed. For example, user comments, reply forms, online user list.. etc etc.. The problem is that given the high number of places user info is displayed, it's becoming very difficult to check each time if that user is blocked. For example: <g:each var="comment" in="${comments}"> <g:if test="!${loggedInUser.blockedUsers.find { it == comment.user}"> show comment </g:if> </g:each> Does Grails provide any functionality that would facilitate creating some kind of filter or intercepter where I could simply exclude blocked users when iterating lists, etc? If not, what would you suggest I do?

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• Running Services.msc as a different User C#

  - by Simon Mark Smith

  Hi, I have a requirement to create a simple windows forms application that allows an admin user to manage the Services on remote servers. We don't want to give the admins the usernames and passwords to the servers so these will be encrypted and stored in a database. My question is whether or not it is possible to spawn a Services.msc window when impersonating one of the users stored within the database? I have looked at the ProcessStartInfo class but because Services.msc is not an executable it does not seem to like executing this. Any ideas on a simple way of doing the actual impersonation and loading of Services.msc - say off a button click? Thanks

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• DataGridView error when set DataSource

  - by user264464

  I got an error when run datagridview.DataSource = dataView; dataview is correct. I can see data inside it when I debug program. I got next error "Object reference not set to an instance of an object." Any Ideas? code: this.datagridview = new System.Windows.Forms.DataGridView(); ... DataSet ds = new DataSet(); XmlReaderSettings settings = new XmlReaderSettings(); StringReader stringReader = new StringReader(retString); XmlReader xmlReader = XmlReader.Create(stringReader, settings); ds.ReadXml(xmlReader); DataView dataView = ds.Tables[0].DefaultView; dataView is not null. I am able to view it when debug

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• Debugging compiled .NET 2.0 application

  - by brovar

  I don't know if I'll pass all the necessary information here, but I've only been asked to post this question here and I'm not entirely onto the matter. There is a .NET Framework 2.0 application compiled in the Debug mode with the parameter jitDebugging set to true in app.config <system.windows.forms jitDebugging="true" /> After any crash we get the dialog box allowing us to send a report or to debug the program. When we choose to debug and select proper VS, the IDE starts but with the announcement: No symbols are loaded for any call stack frame. The source code cannot be displayed. and Disassembly cannot be displayed in run mode. Is there any possiblity to see the code or the spot where the crash has occured?

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• Converting BindingList(Of T) to Array

  - by George

  Public Class Orders Inherits System.ComponentModel.BindingList(Of Order) End Class Public Sub DataBind(ByVal Orders() As Orders) End Sub Dim MyOrders() As Order = Orders.ToArray SuperListBinder.DataBind(MyOrders) '<<Error occurs on this line I don't understand this error. I think that I am passing the appropriate data type to a sub. I don't understand the meaning of "Cannot convert object of type x to an object of type x! Note that, if relevant, my Solution File contains ,multiple projects and that they are all project references. Error: Error 1 Value of type '1-dimensional array of BESI.BusinessObjects.Order' cannot be converted to '1-dimensional array of BESI.BusinessObjects.Orders' because 'BESI.BusinessObjects.Order' is not derived from 'BESI.BusinessObjects.Orders'. C:\My\Code\BESI\BesiAdmin\Forms\Activity.vb 17 34 BesiAdmin

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• Can I send a POST form in an encoding other than of its body?

  - by Daziplqa

  Hi gang, I've Html page that looks like: <HTML> <meta http-equiv='Content-Type' content='text/html; charset=gb2312'> <BODY onload='document.forms[0].submit();'> <form name="form" method="post" action="/path/to/some/servlet"> <input type="hidden" name="username" value="??"> <!-- UTF-8 characters --> </form> </BODY> </HTML> As you can see, the content of this page is UTF-8, but I need to send it with GB2312 character encoding, as the servlet that I am sending this page to expects from me GB2312. Is this a valid scenario? Because in the servlet, I couldn't retive these chines characters back using a filter that sets the character encoding to GB2312!! Please help

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